Description

0103223 SR2 Type Spring Valve, Port For Anti-Compounding, 3/4in
DESCRIPTION:

Model: SR-2 Spring Brake Valve with Anti-Compounding
Vehicles: Dual-circuit trailer air brake systems
• Valve Type: SR-2 spring brake valve with anti-compounding feature
• Delivery Ports: Four 3/8″ NPT
• Reservoir Ports: Two 1/4″ NPT and one 3/4″ NPT
• Supply Port: One 1/4″ NPT
• Trailer Service Port: One 1/4″ NPT
• Exhaust Port: One 3/8″ NPT
• Thread Type: NPT throughout
• Mounting: 3/4″ male pipe thread to trailer brake reservoir
• Function: Controls spring brakes on trailers; releases spring brakes after reservoir pressure loss; prevents compounding of spring and service brake forces
• Anti-Compounding: Yes
• Brake Charging Priority: Spring brake priority
• Closing Pressure: 70 PSI
• Operating Temp Range: -50°F (–45°C) to 200°F (93°C)
• Weight: Approx. 3 lbs (1.36 kg)
Applications: Commonly used in heavy-duty trailers with dual air brake systems. The valve supports safe modulation of the spring brakes and complies with FMVSS 121 safety regulations. This valve allows the spring brake to release once after reservoir pressure is depleted and prevents service brake force from compounding during application.